Forms Data Controls :: DetailsView Delete Method Passing Null Values To Objectdatasource Underlying Object Delete Method

Apr 12, 2010

I am using VS 2008 SP1. My also have included CSS Friendly adapter [URL] in my project ( I mentioned this because my GridView Empty data template is not showing when using GridView's CCS Friendly adapter). I have a GridView and a DetailsView. When a record in GridView is selected its details information is shown in the Details View. Type of Data source I am using is ObjectDataSource. My Insert and Update methods works perfectly. It is only the Delete method that is passing null values to the underlying object delete method. My source codes for both the UI, BLL, DAL is shown below

[Code]....

My Business Object code is below :

[Code]....

My Data Access Layer Code is:

[Code]....

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DataSource Controls :: Getting Returnvalue From Objectdatasource Delete Method?

Jul 13, 2010

How and where can I get the returnvalue from my "DeleteGuestById" method to show the right error message to my user?

I have this:

Protected Sub gvGuestlist_OnRowCommand(ByVal sender As Object, ByVal e As GridViewCommandEventArgs) Handles gvGuestlist.RowCommand
If e.CommandName = "DeleteGuest" Then
Dim index As Integer = Convert.ToInt32(e.CommandArgument)
Dim data As DataKey = gvGuestlist.DataKeys(index)
Dim GuestId As Integer = data.Values("id")
odsGuestlist.DeleteParameters.Clear()
odsGuestlist.DeleteParameters.Add("id", GuestId)
odsGuestlist.Delete()
End If
End Sub

In my BLL:

<System.ComponentModel.DataObjectMethodAttribute(System.ComponentModel.DataObjectMethodType.Update, False)> Public Function DeleteGuestById(ByVal ID As Integer) As Integer
Dim returnval As Integer
GuestlistAdapter.DeleteGuestById(ID, returnval)
Return returnval
End Function

I think I have to be in the ObjectDatasources' "OnDeleted" method but I have no what code to place there.

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Jan 15, 2011

I am using a gridview to select a record and control that record using a details view. I am using a class based objectdatasource to link the data for select, update and delete. Sofar the select works but the update fails. Here is my error message:

ObjectDataSource 'odsDetailsView_1' could not find a non-generic method 'UpdateSet' that has parameters: setId, TYPE, iHPlayer, iAPlayer, iHRuns, iARuns, iH8Break, iA8Break, iHe8s8, iAe8s8, iH15BRn, iA15BRn, iHWins, iAWins, SET_ID, MATCH_FK, HOME_MEMBER_ID_FK, AWAY_MEMBER_ID_FK, HOME_TABLERUN, AWAY_TABLERUN, HOME_8BALLBREAK, AWAY_8BALLBREAK, HOME_E8S8, AWAY_E8S8, HOME_15BRN, AWAY_15BRN, HOME_TOTALWON, AWAY_TOTALWON, HOME_POINTS, AWAY_POINTS, LOCKED, GROUP_FK.

The first group of parameters have lower case letters and they come from my objectdatasources update method parameters. The second group of parameters are all capitalized and they are the fields in my SQL database table (and I don't know how they wound up in the error). This might be a clue.When executing the code my class method never gets the chance to execute because the error pops up before the code gets there.

Here is my objectdatasource:

[Code]....

Here is my detailsview:

[Code]....

Here is my class update method constructor:

[Code]....

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Forms Data Controls :: Passing Null Values To ObjectDataSource

Jan 4, 2011

This is an ASP.NET 3.5 web app written in C# using VS2008 and connecting to an MS SQL backend. It is using ad hoc queries in a strongly typed dataset to pull from the database. This query (shortened for clarity) is designed to allow optional input of parameters (a requirement) or pull all records if no parameters are input. It works normally in SQL Server Management Studio with the addition of Declare and Set statements and it works normally in the TableAdapter's Query Builder:

[Code]....

The markup contains this ObjectDataSource, which is tied to the TableAdapter with the above query:

[Code]....

The problem I'm having is in passing null values to the ODS to feed to the query. Tying the ODS parameters directly to the dropdownlists and textboxes didn't work. Got an error message that there was a mismatched data type. Tried several combinations of code to feed the right values to the ODS parameters but couldn't find one that worked. Is the problem in the query or am I setting up the code-behind wrong? Here's the code:

[Code]....

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Mar 15, 2011

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<asp:TemplateField>
<ItemTemplate>
<asp:LinkButton ID="lnkbtndelete"
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[code]...

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I have a repeater that is bound to a dictionary and displayed as follows:

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Jun 9, 2010

when I click on "update" button of my detailsview I have the same values on my db table.It seems that the update method don't get my new values inserted in the "boundields" in editing mode.Below there is my code.

<asp:DetailsView ID="detailsview1" runat="server" AutoGenerateRows="false" HeaderStyle-Font-Bold="true"

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DataSource Controls :: ObjectDataSource - Update Method To Pass Entity To The Method In BLL Class?

Oct 18, 2010

I have an ObjectDataSource that I want to perform updates using a business entity i.e. Type="Object"). Since the values for the entity are within a user control, I have stored a reference to the control in Session and in the updating event, set the new instance to the value of the entity from the user contol property (which also pulls values from the form viaother properties of the control):

Protected Sub MasterDataSource_Updating(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.ObjectDataSourceMethodEventArgs) Handles MasterDataSource.Updating
Dim entity As New Login()
Dim accountControl As AccountInfo = TryCast(Session("AccountCtrl"), AccountInfo)
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End Sub

And here's the markup for the datasource:

<asp:ObjectDataSource ID="MasterDataSource" runat="server" EnableCaching="true" CacheDuration="10"
SelectMethod="SelectAll" UpdateMethod="Update" TypeName="Data.DAL.LoginDAL">
</asp:ObjectDataSource>

My question is, how can I get the update method to pass this entity to the update method in my BLL class? It seems the Update method requires an ID or reference to the original object to use in determining whether any changes have taken place, but I don't really want to do this. In other words, I just want to use the Update event on my ObjectDataSource to pass my entity to the method ("Update") I set as a property and then let this business method handle the update of the data. Shown below, is the BLL update method I want to call:

Public Overloads Function Update(ByVal entity As Login)
If entity Is Nothing Then
Throw New ArgumentNullException("entity")
End If
MyBase.Update("UpdateLogin", entity.Username, entity.Password, entity.FirstName, entity.LastName, entity.Role, entity.Region, _
entity.Email, entity.Title, entity.TierID, entity.Street, entity.City, entity.State, entity.Zip, entity.Mobile, entity.Phone, entity.Fax)
End Function

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C# - ListBox Is Null In Select Method Of ObjectDataSource?

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[Code]....

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Forms Data Controls :: Delete Gridview Row With Objectdatasource?

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I get the following error when trying to delete a row in a gridview. The error is strange, since I dont pass 2 parameters as far as I can see.This is the error and the code is below:

Server Error in '/' Application.

ObjectDataSource 'odsRooms' could not find a non-generic method 'DeleteRoom' that has parameters: id, locationid.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.InvalidOperationException: ObjectDataSource 'odsRooms' could not find a non-generic method 'DeleteRoom' that has parameters: id, locationid.

Source Error: [Code]....

Stack Trace: [Code]....

[InvalidOperationException: ObjectDataSource 'odsRooms' could not find a non-generic method 'DeleteRoom' that has parameters: id, locationid.]
System.Web.UI.WebControls.ObjectDataSourceView.GetResolvedMethodData(Type type, String methodName, IDictionary allParameters,[code]....

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Jun 20, 2010

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<asp:ObjectDataSource ID="ObjectDataSource1" runat="server" DeleteMethod="DeletePayment"
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<asp:Parameter Direction="input" Type="string" Name="sortDirection" />
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<DeleteParameters>
<asp:Parameter Name="id" Type="Int32" />
</DeleteParameters>
</asp:ObjectDataSource>
<asp:ObjectDataSource ID="ObjectDataSource2" runat="server"
SelectMethod="GetList" TypeName="CostsReportControl.Models.PaymentTypes">
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my update method

public void UpdatePayment(int Id,string Fullname,DateTime Date, string Sum, string PaymentType, string RecordInfo,int Id_old)

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Forms Data Controls :: GridView And DetailsView Delete Feature?

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currently have a page that I use to allow users to edit information for their attending group. They can edit names, sex, tshirt sizes etc. All they have to do is selsct their club from the gridview and the details are bound to the detailsview. They edit then click submit. What I now want to accomplish is a similar page that deletes members. I know gridviews come with a delete button you can enable, but I need it to fit in with my custom code-behind. I want users to select the member they want to remove from their registration, that persons details to pop up as text in the details view positioned below the gridview (as text, not as text boxes), ask them to confirm the delete by clicking the delete button in the detailsview. I'm really not proficient at VB or ASP.Net, I just got thrust into this project, so any help would be amazing. I'd like to know how the thing works though. Below is the code I use for the editing.

[Code]....

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[code]....

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[code]....

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I just noticed something. When I right-click on the Controllers folder in a Visual Studio 2008 MVC 2 project, I get this dialog box:But when I do the same thing in Visual Studio 2010, I get this dialog box:tice that the Visual Studio 2010 version doesn't have Delete listed in the checkbox label and, in fact, it doesn't create a Delete action methodhy the difference between Visual Studio 2008 and 2010? Is there another way to do that, or do I have to create it by

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I have both a details view and gridview with deleting enabled. I'm concerned about users accidentally clicking delete, and poof, the record is gone. Is there a setting to get a confirmation message before the delete is actually done?

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Forms Data Controls :: Delete Confirmation Box In Gridview With Edit And Delete Buttons?

Nov 18, 2010

How do I reference the delete button to add the delete confirmation box when I have both the Edit and Delete buttons as the last two columns in the Gridview control. The following code works fine without any issues when I have the delete button only:

protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType != DataControlRowType.DataRow) return;
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But, when I have both the Edit and the Delete buttons, I get the following error when I click the edit button while the delete button works fine.

Specified argument was out of the range of valid values. Parameter name: index

How do I reference the delete button so the edit button is not affected in this case?

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Forms Data Controls :: Delete Images From Folder Using Gridview Delete Link?

Feb 3, 2010

Using "Enable Delete" from Gridview control, I can delete (besides, update, sort, paging, etc) data from the database (this is done automatically). However, how can I delete the actual image that resides in my image folder (i.e. from "pix" folder )? What is the best way to delete image? If using code behind, how? Please write a full code for me. Here is my source code.

<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" DataKeyNames="photoID"

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Forms Data Controls :: Have A Grid Contol That Allows Delete What Would Like To Have Is Someway To Say Are You Sure You Want To Delete?

Feb 8, 2010

I have a grid contol that allows delete what I would like to have is someway to say Are you sure you want to delete?I found this code online, and tried it but it did not work, Do I need something more some behind code maybe?Here is what I found online:Adding 'Delete Protection' to controls If you use a control set up to allow Delete, the Delete button gives a straight delete without any warning, which can be dangerous.To give a warning dialog box, add an OnClientClick event to the Delete button, as follows.

<asp:LinkButton
ID="DeleteButton"
runat="server" CausesValidation="False"
CommandName="Delete"
OnClientClick="return confirm('Are you sure you want to delete this record?');"
Text="Delete">
</asp:LinkButton>

Here is my code: You can see where I added the code from above.

<ItemTemplate>
ID:<asp:label id="IDLabel" runat="server" Text='<%# Eval("ID") %>' /><br />
Name:<asp:label id="NameLabel" runat="server" Text='<%# Bind("Name") %>' /><br />
Destination:<asp:label id="DestinationLabel" runat="server" Text='<%# Bind("Destination") %>' /><br />
OutDate:<asp:label id="OutDateLabel" runat="server" Text='<%# Bind("OutDate") %>' /><br />
ReturnDate:<asp:label id="ReturnDateLabel" runat="server" Text='<%# Bind("ReturnDate") %>' /><br />
LeaveTime:<asp:label id="LeaveTimeLabel" runat="server" Text='<%# Bind("LeaveTime") %>' /><br />
ReturnTime:<asp:label id="ReturnTimeLabel" runat="server" Text='<%# Bind("ReturnTime") %>' /><br />
ContactNumber:<asp:label id="ContactNumberLabel" runat="server" Text='<%# Bind("ContactNumber") %>' />
<asp:linkbutton id="EditButton" runat="server" CausesValidation="False" CommandName="Edit" Text="Edit" />
<asp:linkbutton id="DeleteButton" runat="server" CausesValidation="False" CommandName="Delete" OnClientClick="return confirm('Are you sure you want to delete this record?');" Text="Delete" />
<asp:linkbutton id="NewButton" runat="server" CausesValidation="False" CommandName="New" Text="New" />
</ItemTemplate>

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Forms Data Controls :: How To Insert Delete Confirmation Dialog To Gridview Delete Button

Apr 6, 2010

I am using Sharepoint Designer and trying to insert a Delete button into a gridview. I added this to the top of my ASPX:

<%@ Register Tagprefix="SharePoint" Namespace="Microsoft.SharePoint.WebControls"
Assembly="Microsoft.SharePoint, Version=11.0.0.0, Culture=neutral,
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and I added this as a Gridview column:

<SharePoint:DeleteItemButton
runat="server"
ID="CustomFormDeleteItemButton"
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/>

and this is the error I get:

An error occurred during the processing of . System.Web.UI.WebControls.DataControlFieldCollection must have items of type 'System.Web.UI.WebControls.DataControlField'. 'SharePoint:DeleteItemButton' is of type 'Microsoft.SharePoint.WebControls.DeleteItemButton'.

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